Phantom App for Radar

[pauwlsky]

Name of the app
Radar

Is your feature request related to a problem? Please describe.
No

Describe the solution you'd like
We would like to add an app that integrates with Radar privacy incident response management system: https://www.radarfirst.com/radar/
Basic functionality of the app thus far includes two actions:

1. create privacy incident
2. add note to privacy incident
   We do, however, plan to expand functionality in the near future.

Describe alternatives you've considered
None

Additional context

[mjiyani-crest]

This issue has been addressed as part of this PR(#223). Hence, closing this issue.